YAML to CSV Converter
Convert YAML to CSV format instantly
YAML Input
CSV Output
What Is YAML to CSV?
CSV is tabular: rows and columns. YAML is hierarchical. Converting YAML to CSV flattens nested structures into rows so you can open the data in Excel, Google Sheets, or use it in ETL pipelines. The YAML 1.2 specification and RFC 4180 (CSV) define the formats.
This tool parses your YAML and outputs CSV. Conversion runs entirely in your browser. Nothing is sent to a server. Repeated items in YAML (e.g. a list of objects) become CSV rows. For JSON to CSV, use JSON to CSV.
YAML to CSV Examples
Convert YAML arrays to CSV rows. Telecom-themed example:
Example: Subscribers list
CSV output:
Click the Sample button above to load more examples into the editor.
How to Use This Tool
Paste or Upload YAML
Copy your YAML and paste it into the left editor. You can also click Upload to load a .yaml or .yml file. The Sample button loads example data. Invalid YAML will show an error.
View CSV Output
The right panel shows the flattened CSV. Repeated items (e.g. a list of objects) become rows; keys become column headers. Nested objects may be flattened into columns or concatenated. The structure depends on your YAML.
Copy or Download
Use Copy or Download. For JSON to CSV, use JSON to CSV. For YAML formatting, use YAML Formatter.
When YAML to CSV Helps
Config files and API responses in YAML often contain lists of objects—e.g. a list of services, users, or config entries. Converting to CSV lets you open the data in Excel or Google Sheets for analysis, sharing with stakeholders, or importing into other systems. Database exports, Kubernetes resource lists, and CI config that are YAML can be flattened to CSV for reporting.
ETL pipelines and data workflows sometimes expect CSV. If your source is YAML (e.g. from a config repo or API), this tool flattens it. For pulling out specific values first, convert to JSON and use the JSON Path tool. For JSON to CSV, use JSON to CSV.
Frequently Asked Questions
How is nesting handled?
Repeated items (arrays of objects) flatten to rows—each object becomes one row. Nested objects may become columns (e.g. user.name) or concatenated values. The exact structure depends on your YAML. For complex nesting, you may need to flatten manually or use JSON Path first.
CSV escaping for commas?
Values containing commas, quotes, or newlines are escaped per RFC 4180. Excel and Google Sheets handle standard CSV escaping correctly.
Is my data private?
Yes. Conversion runs entirely in your browser. No data is sent to any server.
What if my YAML has no repeated items?
A single object becomes a single row. Nested keys may become column headers. For a flat key-value config, you get one row with key-value pairs as columns.
Can I use for Kubernetes resources?
Yes. A list of Kubernetes resources (e.g. from kubectl get exported as YAML) can be converted to CSV for spreadsheet analysis. Nested fields like metadata.name become columns.